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use bytes::Bytes; use crate::crypto::Hash; use super::header::*; use super::meta::*; use super::error::*; use super::redo::LogFilePointer; extern crate rmp_serde as rmps; #[derive(Debug, Clone)] pub struct EventRaw { pub meta: Metadata, pub data_hash: Option<super::crypto::Hash>, pub(crate) data: Option<Bytes>, } impl EventRaw { pub(crate) fn as_plus(self) -> Result<EventRawPlus, SerializationError> { let meta_bytes = Bytes::from(rmps::to_vec(&self.meta)?); let meta_hash = Hash::from_bytes(&meta_bytes[..]); Ok( EventRawPlus { meta_hash: meta_hash, meta_bytes: meta_bytes, inner: EventRaw { meta: self.meta, data_hash: self.data_hash, data: self.data, } } ) } } #[derive(Debug, Clone)] pub struct EventRawPlus { pub(crate) meta_hash: super::crypto::Hash, pub(crate) meta_bytes: Bytes, pub inner: EventRaw, } #[derive(Debug, Clone)] pub struct EventExt { pub meta_hash: super::crypto::Hash, pub(crate) meta_bytes: Bytes, pub raw: EventRaw, pub(crate) pointer: LogFilePointer, } #[derive(Debug, Clone)] pub(crate) struct EventData { pub(crate) meta_hash: super::crypto::Hash, pub(crate) meta: Bytes, pub(crate) data_hash: Option<super::crypto::Hash>, pub(crate) data: Option<Bytes>, pub(crate) pointer: LogFilePointer, } #[derive(Debug, Clone)] pub(crate) struct EventEntry { pub(crate) meta_hash: super::crypto::Hash, pub meta: Bytes, pub data_hash: Option<super::crypto::Hash>, pub(crate) pointer: LogFilePointer, } #[derive(Debug, Clone)] pub struct EventEntryExt { pub(crate) meta_hash: super::crypto::Hash, pub(crate) meta_bytes: Bytes, pub meta: Metadata, pub data_hash: Option<super::crypto::Hash>, pub(crate) pointer: LogFilePointer, } impl EventEntryExt { #[allow(dead_code)] pub(crate) fn from_generic(metadata: &EventEntry) -> Result<EventEntryExt, SerializationError> { Ok( EventEntryExt { meta_hash: metadata.meta_hash, meta_bytes: metadata.meta.clone(), meta: rmps::from_read_ref(&metadata.meta)?, data_hash: metadata.data_hash, pointer: metadata.pointer, } ) } #[allow(dead_code)] pub(crate) fn to_generic(&self) -> Result<EventEntry, SerializationError> { let meta_bytes = Bytes::from(rmps::to_vec(&self.meta)?); let meta_hash = super::crypto::Hash::from_bytes(&meta_bytes[..]); Ok( EventEntry { meta_hash: meta_hash, meta: meta_bytes, data_hash: self.data_hash, pointer: self.pointer, } ) } } impl EventRaw { #[allow(dead_code)] pub(crate) fn new(key: PrimaryKey, data: Bytes) -> EventRaw { EventRaw { meta: Metadata::for_data(key), data_hash: Some(super::crypto::Hash::from_bytes(&data[..])), data: Some(data), } } #[allow(dead_code)] pub(crate) fn with_core_metadata(mut self, core: CoreMetadata) -> Self { self.meta.core.push(core); self } #[allow(dead_code)] pub(crate) fn from_event_data(evt: &EventData) -> Result<EventExt, SerializationError> { Ok( EventExt { meta_hash: evt.meta_hash, meta_bytes: evt.meta.clone(), raw: EventRaw { meta: rmps::from_read_ref(&evt.meta)?, data_hash: evt.data_hash.clone(), data: evt.data.clone(), }, pointer: evt.pointer.clone(), } ) } #[allow(dead_code)] pub(crate) fn get_meta_bytes(&self) -> Result<Bytes, SerializationError> { Ok(Bytes::from(rmps::to_vec(&self.meta)?)) } } impl EventExt { #[allow(dead_code)] pub(crate) fn to_event_data(&self) -> Result<EventData, SerializationError> { let meta_bytes = self.raw.get_meta_bytes()?; let meta_hash = super::crypto::Hash::from_bytes(&meta_bytes[..]); Ok( EventData { meta_hash: meta_hash, meta: meta_bytes, data_hash: self.raw.data_hash.clone(), data: self.raw.data.clone(), pointer: self.pointer.clone(), } ) } #[allow(dead_code)] pub(crate) fn to_event_entry(self) -> EventEntryExt { EventEntryExt { meta_hash: self.meta_hash, meta_bytes: self.meta_bytes.clone(), meta: self.raw.meta, data_hash: self.raw.data_hash, pointer: self.pointer, } } }